therubyracer/spec/threading_spec.rb

65 lines
1.6 KiB
Ruby

require 'spec_helper'
describe "Timeouts" do
it "allows for timeout on context" do
ctx = V8::Context.new(:timeout => 10)
lambda {ctx.eval("while(true){}")}.should(raise_error)
# context should not be bust after it exploded once
ctx["x"] = 1;
ctx.eval("x=2;")
ctx["x"].should == 2
end
end
describe "using v8 from multiple threads", :threads => true do
it "creates contexts from within threads" do
10.times.collect do
Thread.new do
V8::Context.new
end
end.each {|t| t.join}
V8::Context.new
end
it "executes codes on multiple threads simultaneously" do
5.times.collect{V8::Context.new}.collect do |ctx|
Thread.new do
ctx['x'] = 99
while ctx['x'] > 0
ctx.eval 'for (i=10000;i;i--){};--x'
end
end
end.each {|t| t.join}
end
it "can access the current thread id" do
V8::C::Locker() do
V8::C::V8::GetCurrentThreadId().should_not be_nil
end
end
it "can pre-empt a running JavaScript thread" do
pending "need to release the GIL while executing V8 code"
begin
V8::C::Locker::StartPreemption(2)
thread_id = nil
Thread.new do
loop until thread_id
puts "thread id: #{thread_id}"
V8::C::V8::TerminateExecution(thread_id)
end
Thread.new do
V8::C::Locker() do
thread_id = V8::C::V8::GetCurrentThreadId()
V8::Context.new {|cxt| cxt.eval('while (true) {}')}
end
end
V8::C::V8::TerminateExecution(thread_id)
ensure
V8::C::Locker::StopPreemption()
end
end
end